/// @param {Keyword|Number} $size [full] - The size of your cell. Can be `full` (default) for 100% width, `auto` to use up available space and `shrink` to use up only required space.
/// @param {Boolean} $gutter-output [true] - Whether or not to output gutters. Always `true` for margin gutters.
/// @param {Number|Map} $gutters [$grid-margin-gutters] - Map or single value for gutters.
-/// @param {Keyword} $gutter-type [margin] - Map or single value for gutters.
+/// @param {Keyword} $gutter-type [margin] - Type of gutter to output. Accepts `margin` or `padding`.
/// @param {List} $gutter-position [null] - The position to apply gutters to. Accepts `top`, `bottom`, `left`, `right` in any combination. By default `right left` for horizontal cells and `top bottom` for vertical cells.
/// @param {String} $breakpoint [null] - The name of the breakpoint size in your gutters map to get the size from. If using with the `breakpoint()` mixin this will be set automatically unless manually entered.
/// @param {Boolean} $vertical [false] - Set to true to output vertical (height) styles rather than widths.